Naphthylazo naphthyl copper complex dyestuffs

Details Naphthylazo naphthyl copper complex dyestuffs Naphthylazo naphthyl copper complex dyestuffs

1973-10-26

1976-06-29

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260146D, 260147, 260149, 260154, 260162, 260163, 260193, 260194, C09B 4518, C09B 4532, D06P 360

Patent

active

039667049

ABSTRACT:
New valuable metal complex compounds, preferably copper, nickel, chromium or cobalt complex compounds, of monoazo dyestuffs which in the metal-free form and in form of the free acid correspond to the general formula (1) ##SPC1##
In which one A stands for the group of the formula (2)

REFERENCES:
patent: 2670265 (1954-02-01), Heyna et al.
patent: 3114745 (1963-12-01), Lodge et al.
patent: 3135730 (1964-06-01), Heyna et al.
patent: 3234205 (1966-02-01), Kuhne et al.
patent: 3419542 (1968-12-01), Meininger et al.
patent: 3426008 (1969-02-01), Meininger et al.
patent: 3440420 (1969-04-01), Kuhne et al.

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